Why Teradyne, Inc. (TER) stock moved
Teradyne, Inc. (TER) shares climbed 8.3% to $265.78 as of November 12, 2026, a significant gain from the prior close of $245.40. BestStocks flagged the session as a major change for TER. Below, we break down what changed for TER, why it matters for investors, how the stock reacted, and the catalysts on the calendar.
TER climbed 8.3% to $265.78
Teradyne rose 8.00% to $449.04 on Friday, October 2, 2026 (from $415.79), leading a broad semiconductor rally (SOX +~2.4%). The move reflected continued enthusiasm for Teradyne's AI/data-center test exposure following its September 29 Magnum E2 high-speed memory-tester launch, rather than any fresh October 2 announcement — several product and partnership items cited in Friday coverage actually dated from earlier in September. TER's 8% gain outpaced the sector, showing stock-specific momentum on top of the rally.
What it means for Teradyne, Inc. investors
For Teradyne, Inc. investors, the recent signals are mixed, leaving the near-term picture neutral / mixed. On the constructive side: Strong 8.3% price move; Positive price momentum. Weighing against that: Teradyne fell 6.83% to $250.96 after Q3 2026 earnings revealed flat sequential guidance for Q4 ($1.25B–$1.35B revenue) and slightly softer gross margins (57.5%–58.5% vs. 59.1% in Q3), citing product mix and ramp timing headwinds (Seeking Alpha, Yahoo Finance); Teradyne reported Q3 2026 earnings that beat consensus EPS ($2.29 vs. estimate) and revenue ($1.31B), but investors sold off the stock 8.25% on forward guidance: management issued Q4 gross margin guidance of 57.5%–58.5%, down from 59.1% in Q3, citing product mix and new product launches (investors.teradyne.com). Wall Street's consensus price target sits at $445.13, implying +67.5% upside from $265.78. Over the past 90 days analysts logged 0 upgrades and 1 downgrade. BestStocks rates the overall signal quality low (59/100). With earnings roughly 76 days out, the next report is the most likely near-term test of the move.
TER price reaction
TER last traded at $265.78, up $20.38 (+8.30%) from the previous close of $245.40. The session traded on 1.1× average volume (normal), so participation was unremarkable. Over the past month the stock has ranged between $212.74 and $383.85, and it currently sits about 31% of the way up that band.
Bullish and bearish analyst opinions on Teradyne, Inc. (TER)
The consensus analyst price target on Teradyne, Inc. (TER) is $445.13, 67.5% above the recent $265.78. Over the past 90 days analysts logged 0 upgrades, 1 maintain, and 1 downgrade. Here is how the bullish and bearish cases on TER line up.
The bullish case
- Wall Street's consensus price target of $445.13 implies +67.5% upside from $265.78.
- The Street's most bullish target is $550.00 (+106.9%).
- Strong 8.3% price move.
- Positive price momentum.
The bearish case
- 1 analyst downgrade in the past 90 days, most recently Baird to Neutral (2026-08-21).
- Teradyne fell 6.83% to $250.96 after Q3 2026 earnings revealed flat sequential guidance for Q4 ($1.25B–$1.35B revenue) and slightly softer gross margins (57.5%–58.5% vs. 59.1% in Q3), citing product mix and ramp timing headwinds (Seeking Alpha, Yahoo Finance).
- Teradyne reported Q3 2026 earnings that beat consensus EPS ($2.29 vs. estimate) and revenue ($1.31B), but investors sold off the stock 8.25% on forward guidance: management issued Q4 gross margin guidance of 57.5%–58.5%, down from 59.1% in Q3, citing product mix and new product launches (investors.teradyne.com).
- Teradyne fell 3.15% to $332.42 as semiconductor and AI equipment stocks broadly retreated on macroeconomic headwinds.
Weighing both sides, BestStocks' composite read of recent signals is roughly balanced, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.
Analyst price targets and ratings are FMP consensus figures as of Nov 12, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.
Previous notable changes for TER
In-depth TER event analyses
Frequently asked questions about TER
Why did Teradyne, Inc. (TER) stock move?
Teradyne rose 8.00% to $449.04 on Friday, October 2, 2026 (from $415.79), leading a broad semiconductor rally (SOX +~2.4%). The move reflected continued enthusiasm for Teradyne's AI/data-center test exposure following its September 29 Magnum E2 high-speed memory-tester launch, rather than any fresh October 2 announcement — several product and partnership items cited in Friday coverage actually dated from earlier in September. TER's 8% gain outpaced the sector, showing stock-specific momentum on top of the rally.
How much did TER stock rise?
TER gained 8.30% ($20.38) versus the prior close of $245.40, last trading at $265.78 on 1.1× average volume.
When is Teradyne, Inc.'s next earnings date?
TER's next earnings report is estimated for 2027-01-27 — about 76 days away.
What is the analyst price target for TER?
The consensus analyst price target for TER is $445.13, about 67.5% above the current $265.78. Over the past 90 days, analysts recorded 0 upgrades, 1 maintain, and 1 downgrade.
How BestStocks tracks TER
This page is generated automatically by BestStocks' change-detection system after its price and volume cleared TER-specific materiality thresholds, triggering an evidence check. It draws on 20 tracked change events for TER, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of November 12, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.